(Day 1) Blend all spices together and set aside.,______,Rub with spice mixture, both inside and out, then stuff cavity with onions.,Wrap in a resealable"food grade" plastic bag (I just use a new, unscented, white kitchen can liner.), tie closed, and refrigerate overnight.,(Day 2) Remove from plastic bag and place in a shallow baking pan.,Roast uncovered in a 250 F oven 5 hours.,(This is not an error, I repeat, 250 F for 5 hours!) If the chicken contains a pop-up thermometer, ignore it.,This recipe is SAFE.,According to the United States Department of Agriculture Food Safety and Inspection Service, a whole chicken should reach an internal temperature of 180 F.,For more info check out their"Thermy" campign Web site! http://www.fsis.usda.gov/thermy/index.htm,Baste with drippings every 30 minutes after the first hour.,(I admit I'm not consistent on this point, but it still comes out wonderful!) Let rest for 10 minutes before carving.